Monthly Archives - March 2009

SSD, XFS, LVM, fsync, write cache, barrier and lost transactions

We finally managed to get Intel X25-E SSD drive into our lab. I attached it to our Dell PowerEdge R900. The story making it running is worth separate mentioning – along with Intel X25-E I got HighPoint 2300 controller and CentOS 5.2 just could not start with two RAID controllers (Perc/6i and HighPoint 2300). […]

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XtraDB storage engine release 1.0.2-3 (Spring edition) codename Sapporo

Today we announce release 1.0.2-3 of our XtraDB storage engine.
Here is a list of enhancements:

Move to MySQL 5.1.31
Scalability fix — ability to use several rollback segments
Increasing the number of rseg may be helpful for CPU scale of write-intentional workloads. See benchmark results.
Scalability fix — replaced page_hash mutex to page_hash read-write lock. […]

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